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2. Enhanced Fujita scale - Wikipedia

   en.wikipedia.org/wiki/Enhanced_Fujita_scale

   The old scale lists an F5 tornado as wind speeds of 261–318 mph (420–512 km/h), while the new scale lists an EF5 as a tornado with winds above 200 mph (322 km/h), found to be sufficient to cause the damage previously ascribed to the F5 range of wind speeds.

3. 'Uninhabitable for weeks or months': Why Helene's hurricane ...

   www.aol.com/uninhabitable-weeks-months-why-helen...

   Category 1 hurricane: 74-95 mphVery dangerous winds will produce some damage: Well-constructed frame homes could have damage to roof, shingles, vinyl siding and gutters. Large branches of trees ...

4. Saffir–Simpson scale - Wikipedia

   en.wikipedia.org/wiki/Saffir–Simpson_scale

   Proposed Hurricane Damage Scale (UN 1974) [9] Grade: Wind Speed Range: Grade 1 120 - 140 km/h Grade 2 151-180 km/h ... Poorly attached roof shingles or tiles can blow ...

5. Hurricane-proof building - Wikipedia

   en.wikipedia.org/wiki/Hurricane-proof_building

   Interlocking metal pan roof systems installed on mobile homes can fail under the pressure differential (lift) created by the high-velocity winds passing over the surface plane of the roof. This is compounded by the wind entering the building allowing the building interior to pressurize, lifting the underside of the roof panels, resulting in the ...

6. Tornado intensity - Wikipedia

   en.wikipedia.org/wiki/Tornado_intensity

   Wind speed alone is not enough to determine the intensity of a tornado. [3] An EF0 tornado may damage trees and peel some shingles off roofs, while an EF5 tornado can rip well-anchored homes off their foundations, leaving them bare— even deforming large skyscrapers.

7. Storm damage payouts refused in wind speed rows - AOL

   www.aol.com/storm-damage-payouts-refused-wind...

   On its website, it said its general view was "that damage can occur even when the wind speed is lower than level 10 on the Beaufort scale", which starts at 48 knots, or 55mph.

8. Fujita scale - Wikipedia

   en.wikipedia.org/wiki/Fujita_scale

   From these wind speed numbers, qualitative descriptions of damage were made for each category of the Fujita scale, and then these descriptions were used to classify tornadoes. [ 9 ] At the time Fujita derived the scale, little information was available on damage caused by wind, so the original scale presented little more than educated guesses ...

9. Norway's most powerful storm in over 30 years rips roofs off ...

   www.aol.com/news/norways-most-powerful-storm...

   Norway's most powerful storm in more than three decades ripped off roofs, heightened avalanche risks, canceled flights and cut power as it raged in parts of the Scandinavian country Thursday. A ...